Clarence Darrow quotes1-5 Quotations of 56
Clarence Darrow (April 18, 1857 - March 13, 1938)American Lawyer, Speaker, Writer
~ Clarence Darrow
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In covered lagoons, which are less efficient than fixed-film anaerobic digesters, the digestive bacteria float around, making only random contact with the manure particles. In fixed-film digesters, the bacterial growth occurs on the surfaces of the internal media that the waste must flow over, thereby assuring frequent contact. In this way, higher volumes of wastewater can be processed.